Problem: The sum of all Form W-2Gs for gambling winnings amounts must be less than or equal to at least one of the following: the sum of all Schedule C (Form 1040) for your total gross receipts or Schedule 1 (Form 1040) for Gambling winnings amount.
Solution: Sign into your eFile account and click on Federal Taxes > Review > I'd like to see the forms I've filled out or search for a form > see your applicable gambling forms, including Form W-2G and the Itemized Deductions - Miscellaneous Deductions form. Go over the entries made to be sure they are accurate; this IRS rejection indicates that you have entered winnings that are lower than your income, typically due to a mis-entry for deductible losses. This may be an extra zero or cents was included by mistake - only include whole dollar amounts.
Once this has been found and the change has been made, click File and go through the checkout and e-file process to re-efile your return.